content: /*
   * 支付宝开放平台API
   * 支付宝开放平台v3协议文档
   *
   * The version of the OpenAPI document: 2025-08-26
   * 
   *
   * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
   * https://openapi-generator.tech
   * Do not edit the class manually.
   */
  
  
  package com.alipay.v3.model;
  
  import java.util.Objects;
  import java.util.Arrays;
  import com.google.gson.TypeAdapter;
  import com.google.gson.annotations.JsonAdapter;
  import com.google.gson.annotations.SerializedName;
  import com.google.gson.stream.JsonReader;
  import com.google.gson.stream.JsonWriter;
  import io.swagger.annotations.ApiModel;
  import io.swagger.annotations.ApiModelProperty;
  import java.io.IOException;
  
  import com.google.gson.Gson;
  import com.google.gson.GsonBuilder;
  import com.google.gson.JsonArray;
  import com.google.gson.JsonDeserializationContext;
  import com.google.gson.JsonDeserializer;
  import com.google.gson.JsonElement;
  import com.google.gson.JsonObject;
  import com.google.gson.JsonParseException;
  import com.google.gson.TypeAdapterFactory;
  import com.google.gson.reflect.TypeToken;
  
  import java.lang.reflect.Type;
  import java.util.HashMap;
  import java.util.HashSet;
  import java.util.Map;
  import java.util.Map.Entry;
  import java.util.Set;
  
  import com.alipay.v3.JSON;
  
  /**
   * InvoiceItem
   */
  @javax.annotation.Generated(value = "org.openapitools.codegen.languages.JavaClientCodegen")
  public class InvoiceItem {
    public static final String SERIALIZED_NAME_AMOUNT = "amount";
    @SerializedName(SERIALIZED_NAME_AMOUNT)
    private String amount;
  
    public static final String SERIALIZED_NAME_ITEM_NAME = "item_name";
    @SerializedName(SERIALIZED_NAME_ITEM_NAME)
    private String itemName;
  
    public static final String SERIALIZED_NAME_ITEM_NO = "item_no";
    @SerializedName(SERIALIZED_NAME_ITEM_NO)
    private String itemNo;
  
    public static final String SERIALIZED_NAME_PRICE = "price";
    @SerializedName(SERIALIZED_NAME_PRICE)
    private String price;
  
    public static final String SERIALIZED_NAME_QUANTITY = "quantity";
    @SerializedName(SERIALIZED_NAME_QUANTITY)
    private String quantity;
  
    public static final String SERIALIZED_NAME_ROW_TYPE = "row_type";
    @SerializedName(SERIALIZED_NAME_ROW_TYPE)
    private Integer rowType;
  
    public static final String SERIALIZED_NAME_SPECIFICATION = "specification";
    @SerializedName(SERIALIZED_NAME_SPECIFICATION)
    private String specification;
  
    public static final String SERIALIZED_NAME_SUM_PRICE = "sum_price";
    @SerializedName(SERIALIZED_NAME_SUM_PRICE)
    private String sumPrice;
  
    public static final String SERIALIZED_NAME_TAX = "tax";
    @SerializedName(SERIALIZED_NAME_TAX)
    private String tax;
  
    public static final String SERIALIZED_NAME_TAX_RATE = "tax_rate";
    @SerializedName(SERIALIZED_NAME_TAX_RATE)
    private String taxRate;
  
    public static final String SERIALIZED_NAME_UNIT = "unit";
    @SerializedName(SERIALIZED_NAME_UNIT)
    private String unit;
  
    public static final String SERIALIZED_NAME_ZERO_RATE_FLAG = "zero_rate_flag";
    @SerializedName(SERIALIZED_NAME_ZERO_RATE_FLAG)
    private String zeroRateFlag;
  
    public InvoiceItem() { 
    }
  
    public InvoiceItem amount(String amount) {
      
      this.amount = amount;
      return this;
    }
  
     /**
     * 含税总金额 (等于sum_price和tax之和)， 单位：元，格式为2位小数，精度2位小数
     * @return amount
    **/
    @javax.annotation.Nullable
    @ApiModelProperty(example = "1170.00", value = "含税总金额 (等于sum_price和tax之和)， 单位：元，格式为2位小数，精度2位小数")
  
    public String getAmount() {
      return amount;
    }
  
  
    public void setAmount(String amount) {
      this.amount = amount;
    }
  
  
    public InvoiceItem itemName(String itemName) {
      
      this.itemName = itemName;
      return this;
    }
  
     /**
     * 发票项目名称（或商品名称）
     * @return itemName
    **/
    @javax.annotation.Nullable
    @ApiModelProperty(example = "电视机", value = "发票项目名称（或商品名称）")
  
    public String getItemName() {
      return itemName;
    }
  
  
    public void setItemName(String itemName) {
      this.itemName = itemName;
    }
  
  
    public InvoiceItem itemNo(String itemNo) {
      
      this.itemNo = itemNo;
      return this;
    }
  
     /**
     * 发票项目编号（或商品编号）
     * @return itemNo
    **/
    @javax.annotation.Nullable
    @ApiModelProperty(example = "1010101010000000000", value = "发票项目编号（或商品编号）")
  
    public String getItemNo() {
      return itemNo;
    }
  
  
    public void setItemNo(String itemNo) {
      this.itemNo = itemNo;
    }
  
  
    public InvoiceItem price(String price) {
      
      this.price = price;
      return this;
    }
  
     /**
     * 单价（不含税），格式为2位小数。最大支持6位小数，不足2位小数时需转化为2位小数格式。 折扣行此参数不能传
     * @return price
    **/
    @javax.annotation.Nullable
    @ApiModelProperty(example = "100.00", value = "单价（不含税），格式为2位小数。最大支持6位小数，不足2位小数时需转化为2位小数格式。 折扣行此参数不能传")
  
    public String getPrice() {
      return price;
    }
  
  
    public void setPrice(String price) {
      this.price = price;
    }
  
  
    public InvoiceItem quantity(String quantity) {
      
      this.quantity = quantity;
      return this;
    }
  
     /**
     * 数量，须大于0，最多6位小数。 折扣行此参数不能传
     * @return quantity
    **/
    @javax.annotation.Nullable
    @ApiModelProperty(example = "10", value = "数量，须大于0，最多6位小数。 折扣行此参数不能传")
  
    public String getQuantity() {
      return quantity;
    }
  
  
    public void setQuantity(String quantity) {
      this.quantity = quantity;
    }
  
  
    public InvoiceItem rowType(Integer rowType) {
      
      this.rowType = rowType;
      return this;
    }
  
     /**
     * 发票行性质。0表示正常行，1表示折扣行，2表示被折扣行。 比如充电器单价100元，折扣10元，则明细为2行，充电器行性质为2，折扣行性质为1。如果充电器没有折扣，则值应为0。
     * @return rowType
    **/
    @javax.annotation.Nullable
    @ApiModelProperty(example = "0", value = "发票行性质。0表示正常行，1表示折扣行，2表示被折扣行。 比如充电器单价100元，折扣10元，则明细为2行，充电器行性质为2，折扣行性质为1。如果充电器没有折扣，则值应为0。")
  
    public Integer getRowType() {
      return rowType;
    }
  
  
    public void setRowType(Integer rowType) {
      this.rowType = rowType;
    }
  
  
    public InvoiceItem specification(String specification) {
      
      this.specification = specification;
      return this;
    }
  
     /**
     * 规格型号
     * @return specification
    **/
    @javax.annotation.Nullable
    @ApiModelProperty(example = "X100", value = "规格型号")
  
    public String getSpecification() {
      return specification;
    }
  
  
    public void setSpecification(String specification) {
      this.specification = specification;
    }
  
  
    public InvoiceItem sumPrice(String sumPrice) {
      
      this.sumPrice = sumPrice;
      return this;
    }
  
     /**
     * 不含税总金额，格式为2位小数 单位：元，精度2位小数
     * @return sumPrice
    **/
    @javax.annotation.Nullable
    @ApiModelProperty(example = "1000.00", value = "不含税总金额，格式为2位小数 单位：元，精度2位小数")
  
    public String getSumPrice() {
      return sumPrice;
    }
  
  
    public void setSumPrice(String sumPrice) {
      this.sumPrice = sumPrice;
    }
  
  
    public InvoiceItem tax(String tax) {
      
      this.tax = tax;
      return this;
    }
  
     /**
     * 税额， 格式为2位小数
     * @return tax
    **/
    @javax.annotation.Nullable
    @ApiModelProperty(example = "170.00", value = "税额， 格式为2位小数")
  
    public String getTax() {
      return tax;
    }
  
  
    public void setTax(String tax) {
      this.tax = tax;
    }
  
  
    public InvoiceItem taxRate(String taxRate) {
      
      this.taxRate = taxRate;
      return this;
    }
  
     /**
     * 税率。格式为2位小数，如：0.00, 0.03, 0.13等等
     * @return taxRate
    **/
    @javax.annotation.Nullable
    @ApiModelProperty(example = "0.17", value = "税率。格式为2位小数，如：0.00, 0.03, 0.13等等")
  
    public String getTaxRate() {
      return taxRate;
    }
  
  
    public void setTaxRate(String taxRate) {
      this.taxRate = taxRate;
    }
  
  
    public InvoiceItem unit(String unit) {
      
      this.unit = unit;
      return this;
    }
  
     /**
     * 单位，折扣行不能传
     * @return unit
    **/
    @javax.annotation.Nullable
    @ApiModelProperty(example = "台", value = "单位，折扣行不能传")
  
    public String getUnit() {
      return unit;
    }
  
  
    public void setUnit(String unit) {
      this.unit = unit;
    }
  
  
    public InvoiceItem zeroRateFlag(String zeroRateFlag) {
      
      this.zeroRateFlag = zeroRateFlag;
      return this;
    }
  
     /**
     * 0税率标识，只有税率为0的情况才有值，0&#x3D;出口零税率，1&#x3D;免税，2&#x3D;不征收，3&#x3D;普通零税率
     * @return zeroRateFlag
    **/
    @javax.annotation.Nullable
    @ApiModelProperty(example = "1", value = "0税率标识，只有税率为0的情况才有值，0=出口零税率，1=免税，2=不征收，3=普通零税率")
  
    public String getZeroRateFlag() {
      return zeroRateFlag;
    }
  
  
    public void setZeroRateFlag(String zeroRateFlag) {
      this.zeroRateFlag = zeroRateFlag;
    }
  
    /**
     * A container for additional, undeclared properties.
     * This is a holder for any undeclared properties as specified with
     * the 'additionalProperties' keyword in the OAS document.
     */
    private Map<String, Object> additionalProperties;
  
    /**
     * Set the additional (undeclared) property with the specified name and value.
     * If the property does not already exist, create it otherwise replace it.
     *
     * @param key name of the property
     * @param value value of the property
     * @return the InvoiceItem instance itself
     */
    public InvoiceItem putAdditionalProperty(String key, Object value) {
      if (this.additionalProperties == null) {
          this.additionalProperties = new HashMap<String, Object>();
      }
      this.additionalProperties.put(key, value);
      return this;
    }
  
    /**
     * Return the additional (undeclared) property.
     *
     * @return a map of objects
     */
    public Map<String, Object> getAdditionalProperties() {
      return additionalProperties;
    }
  
    /**
     * Return the additional (undeclared) property with the specified name.
     *
     * @param key name of the property
     * @return an object
     */
    public Object getAdditionalProperty(String key) {
      if (this.additionalProperties == null) {
          return null;
      }
      return this.additionalProperties.get(key);
    }
  
  
    @Override
    public boolean equals(Object o) {
      if (this == o) {
        return true;
      }
      if (o == null || getClass() != o.getClass()) {
        return false;
      }
      InvoiceItem invoiceItem = (InvoiceItem) o;
      return Objects.equals(this.amount, invoiceItem.amount) &&
          Objects.equals(this.itemName, invoiceItem.itemName) &&
          Objects.equals(this.itemNo, invoiceItem.itemNo) &&
          Objects.equals(this.price, invoiceItem.price) &&
          Objects.equals(this.quantity, invoiceItem.quantity) &&
          Objects.equals(this.rowType, invoiceItem.rowType) &&
          Objects.equals(this.specification, invoiceItem.specification) &&
          Objects.equals(this.sumPrice, invoiceItem.sumPrice) &&
          Objects.equals(this.tax, invoiceItem.tax) &&
          Objects.equals(this.taxRate, invoiceItem.taxRate) &&
          Objects.equals(this.unit, invoiceItem.unit) &&
          Objects.equals(this.zeroRateFlag, invoiceItem.zeroRateFlag)&&
          Objects.equals(this.additionalProperties, invoiceItem.additionalProperties);
    }
  
    @Override
    public int hashCode() {
      return Objects.hash(amount, itemName, itemNo, price, quantity, rowType, specification, sumPrice, tax, taxRate, unit, zeroRateFlag, additionalProperties);
    }
  
    @Override
    public String toString() {
      StringBuilder sb = new StringBuilder();
      sb.append("class InvoiceItem {\n");
      sb.append("    amount: ").append(toIndentedString(amount)).append("\n");
      sb.append("    itemName: ").append(toIndentedString(itemName)).append("\n");
      sb.append("    itemNo: ").append(toIndentedString(itemNo)).append("\n");
      sb.append("    price: ").append(toIndentedString(price)).append("\n");
      sb.append("    quantity: ").append(toIndentedString(quantity)).append("\n");
      sb.append("    rowType: ").append(toIndentedString(rowType)).append("\n");
      sb.append("    specification: ").append(toIndentedString(specification)).append("\n");
      sb.append("    sumPrice: ").append(toIndentedString(sumPrice)).append("\n");
      sb.append("    tax: ").append(toIndentedString(tax)).append("\n");
      sb.append("    taxRate: ").append(toIndentedString(taxRate)).append("\n");
      sb.append("    unit: ").append(toIndentedString(unit)).append("\n");
      sb.append("    zeroRateFlag: ").append(toIndentedString(zeroRateFlag)).append("\n");
      sb.append("    additionalProperties: ").append(toIndentedString(additionalProperties)).append("\n");
      sb.append("}");
      return sb.toString();
    }
  
    /**
     * Convert the given object to string with each line indented by 4 spaces
     * (except the first line).
     */
    private String toIndentedString(Object o) {
      if (o == null) {
        return "null";
      }
      return o.toString().replace("\n", "\n    ");
    }
  
  
    public static HashSet<String> openapiFields;
    public static HashSet<String> openapiRequiredFields;
  
    static {
      // a set of all properties/fields (JSON key names)
      openapiFields = new HashSet<String>();
      openapiFields.add("amount");
      openapiFields.add("item_name");
      openapiFields.add("item_no");
      openapiFields.add("price");
      openapiFields.add("quantity");
      openapiFields.add("row_type");
      openapiFields.add("specification");
      openapiFields.add("sum_price");
      openapiFields.add("tax");
      openapiFields.add("tax_rate");
      openapiFields.add("unit");
      openapiFields.add("zero_rate_flag");
  
      // a set of required properties/fields (JSON key names)
      openapiRequiredFields = new HashSet<String>();
    }
  
   /**
    * Validates the JSON Object and throws an exception if issues found
    *
    * @param jsonObj JSON Object
    * @throws IOException if the JSON Object is invalid with respect to InvoiceItem
    */
    public static void validateJsonObject(JsonObject jsonObj) throws IOException {
        if (jsonObj == null) {
          if (InvoiceItem.openapiRequiredFields.isEmpty()) {
            return;
          } else { // has required fields
            throw new IllegalArgumentException(String.format("The required field(s) %s in InvoiceItem is not found in the empty JSON string", InvoiceItem.openapiRequiredFields.toString()));
          }
        }
        if (jsonObj.get("amount") != null && !jsonObj.get("amount").isJsonPrimitive()) {
          throw new IllegalArgumentException(String.format("Expected the field `amount` to be a primitive type in the JSON string but got `%s`", jsonObj.get("amount").toString()));
        }
        if (jsonObj.get("item_name") != null && !jsonObj.get("item_name").isJsonPrimitive()) {
          throw new IllegalArgumentException(String.format("Expected the field `item_name` to be a primitive type in the JSON string but got `%s`", jsonObj.get("item_name").toString()));
        }
        if (jsonObj.get("item_no") != null && !jsonObj.get("item_no").isJsonPrimitive()) {
          throw new IllegalArgumentException(String.format("Expected the field `item_no` to be a primitive type in the JSON string but got `%s`", jsonObj.get("item_no").toString()));
        }
        if (jsonObj.get("price") != null && !jsonObj.get("price").isJsonPrimitive()) {
          throw new IllegalArgumentException(String.format("Expected the field `price` to be a primitive type in the JSON string but got `%s`", jsonObj.get("price").toString()));
        }
        if (jsonObj.get("quantity") != null && !jsonObj.get("quantity").isJsonPrimitive()) {
          throw new IllegalArgumentException(String.format("Expected the field `quantity` to be a primitive type in the JSON string but got `%s`", jsonObj.get("quantity").toString()));
        }
        if (jsonObj.get("specification") != null && !jsonObj.get("specification").isJsonPrimitive()) {
          throw new IllegalArgumentException(String.format("Expected the field `specification` to be a primitive type in the JSON string but got `%s`", jsonObj.get("specification").toString()));
        }
        if (jsonObj.get("sum_price") != null && !jsonObj.get("sum_price").isJsonPrimitive()) {
          throw new IllegalArgumentException(String.format("Expected the field `sum_price` to be a primitive type in the JSON string but got `%s`", jsonObj.get("sum_price").toString()));
        }
        if (jsonObj.get("tax") != null && !jsonObj.get("tax").isJsonPrimitive()) {
          throw new IllegalArgumentException(String.format("Expected the field `tax` to be a primitive type in the JSON string but got `%s`", jsonObj.get("tax").toString()));
        }
        if (jsonObj.get("tax_rate") != null && !jsonObj.get("tax_rate").isJsonPrimitive()) {
          throw new IllegalArgumentException(String.format("Expected the field `tax_rate` to be a primitive type in the JSON string but got `%s`", jsonObj.get("tax_rate").toString()));
        }
        if (jsonObj.get("unit") != null && !jsonObj.get("unit").isJsonPrimitive()) {
          throw new IllegalArgumentException(String.format("Expected the field `unit` to be a primitive type in the JSON string but got `%s`", jsonObj.get("unit").toString()));
        }
        if (jsonObj.get("zero_rate_flag") != null && !jsonObj.get("zero_rate_flag").isJsonPrimitive()) {
          throw new IllegalArgumentException(String.format("Expected the field `zero_rate_flag` to be a primitive type in the JSON string but got `%s`", jsonObj.get("zero_rate_flag").toString()));
        }
    }
  
    public static class CustomTypeAdapterFactory implements TypeAdapterFactory {
      @SuppressWarnings("unchecked")
      @Override
      public <T> TypeAdapter<T> create(Gson gson, TypeToken<T> type) {
         if (!InvoiceItem.class.isAssignableFrom(type.getRawType())) {
           return null; // this class only serializes 'InvoiceItem' and its subtypes
         }
         final TypeAdapter<JsonElement> elementAdapter = gson.getAdapter(JsonElement.class);
         final TypeAdapter<InvoiceItem> thisAdapter
                          = gson.getDelegateAdapter(this, TypeToken.get(InvoiceItem.class));
  
         return (TypeAdapter<T>) new TypeAdapter<InvoiceItem>() {
             @Override
             public void write(JsonWriter out, InvoiceItem value) throws IOException {
               JsonObject obj = thisAdapter.toJsonTree(value).getAsJsonObject();
               obj.remove("additionalProperties");
               // serialize additonal properties
               if (value.getAdditionalProperties() != null) {
                 for (Map.Entry<String, Object> entry : value.getAdditionalProperties().entrySet()) {
                   if (entry.getValue() instanceof String)
                     obj.addProperty(entry.getKey(), (String) entry.getValue());
                   else if (entry.getValue() instanceof Number)
                     obj.addProperty(entry.getKey(), (Number) entry.getValue());
                   else if (entry.getValue() instanceof Boolean)
                     obj.addProperty(entry.getKey(), (Boolean) entry.getValue());
                   else if (entry.getValue() instanceof Character)
                     obj.addProperty(entry.getKey(), (Character) entry.getValue());
                   else {
                     obj.add(entry.getKey(), gson.toJsonTree(entry.getValue()).getAsJsonObject());
                   }
                 }
               }
               elementAdapter.write(out, obj);
             }
  
             @Override
             public InvoiceItem read(JsonReader in) throws IOException {
               JsonObject jsonObj = elementAdapter.read(in).getAsJsonObject();
               validateJsonObject(jsonObj);
               // store additional fields in the deserialized instance
               InvoiceItem instance = thisAdapter.fromJsonTree(jsonObj);
               for (Map.Entry<String, JsonElement> entry : jsonObj.entrySet()) {
                 if (!openapiFields.contains(entry.getKey())) {
                   if (entry.getValue().isJsonPrimitive()) { // primitive type
                     if (entry.getValue().getAsJsonPrimitive().isString())
                       instance.putAdditionalProperty(entry.getKey(), entry.getValue().getAsString());
                     else if (entry.getValue().getAsJsonPrimitive().isNumber())
                       instance.putAdditionalProperty(entry.getKey(), entry.getValue().getAsNumber());
                     else if (entry.getValue().getAsJsonPrimitive().isBoolean())
                       instance.putAdditionalProperty(entry.getKey(), entry.getValue().getAsBoolean());
                     else
                       throw new IllegalArgumentException(String.format("The field `%s` has unknown primitive type. Value: %s", entry.getKey(), entry.getValue().toString()));
                   } else { // non-primitive type
                     instance.putAdditionalProperty(entry.getKey(), gson.fromJson(entry.getValue(), HashMap.class));
                   }
                 }
               }
               return instance;
             }
  
         }.nullSafe();
      }
    }
  
   /**
    * Create an instance of InvoiceItem given an JSON string
    *
    * @param jsonString JSON string
    * @return An instance of InvoiceItem
    * @throws IOException if the JSON string is invalid with respect to InvoiceItem
    */
    public static InvoiceItem fromJson(String jsonString) throws IOException {
      return JSON.getGson().fromJson(jsonString, InvoiceItem.class);
    }
  
   /**
    * Convert an instance of InvoiceItem to an JSON string
    *
    * @return JSON string
    */
    public String toJson() {
      return JSON.getGson().toJson(this);
    }
  }
  
  